test.js

'use strict'

// Do this as the first thing so that any code reading it knows the right env.
process.env.BABEL_ENV = 'test'
process.env.NODE_ENV = 'test'
process.env.PUBLIC_URL = ''

// Makes the script crash on unhandled rejections instead of silently
// ignoring them. In the future, promise rejections that are not handled will
// terminate the Node.js process with a non-zero exit code.
process.on('unhandledRejection', err => {
  throw err
})

// Ensure environment variables are read.
require('../config/env')

const jest = require('jest')
let argv = process.argv.slice(2)

// Watch unless on CI, in coverage mode, or explicitly running all tests
if (
  !process.env.CI &&
  argv.indexOf('--coverage') === -1 &&
  argv.indexOf('--watchAll') === -1
) {
  // https://github.com/facebook/create-react-app/issues/5210
  argv.push('--watchAll')
}

jest.run(argv)